Add reflected memory and update decompose/orchestrate skills

Adds decisions and process-lessons from recent reflections.
Updates decompose and orchestrate SKILL.md with operational improvements.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.reflection-state.json

@@ -0,0 +1,8 @@
+{
+  "version": 1,
+  "last_run": "2026-03-24T10:36:46Z",
+  "processed": {
+    "memory/log/2026-03-17.110845.md": "5ac7f82c96613876a4ecf7f2b5506edf",
+    "memory/log/2026-03-24.215106.md": "3e039830da10338af26d31fc0959dff1"
+  }
+}